| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | NOAA 12 DEB |
| Spacetrack catalog number | 34430 | 37832 |
| Radar cross section | small | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 23 01:42 | 2024 Dec 23 04:01 |
| Time of closest approach (UTC) | 2024 Dec 27 02:39:31.243 |
| Minimum distance | 4.194 km |
| Height difference | 2.134 km |
| Relative speed | 14.969 km/s |
| Angle between velocity vectors | 171° |
| Geographic position | 26.9°N, 102.0°E |
| Height | 723 km |
|